Hans.Dns

Documentation

type HostName = ByteString

data HostEntry

Constructors

HostEntry

Fields

• hostName :: HostName
• hostAliases :: [HostName]
• hostAddresses :: [IP4]

Instances

Show HostEntry

Methods

showsPrec :: Int -> HostEntry -> ShowS

show :: HostEntry -> String

showList :: [HostEntry] -> ShowS

parseHostEntry :: Source -> [RR] -> HostEntry

parseAddr :: HostName -> [RR] -> HostEntry

Parse the A and CNAME parts out of a response.

parsePtr :: IP4 -> [RR] -> HostEntry

data DnsException

Constructors

NoNameServers

Instances

Show DnsException

Methods

showsPrec :: Int -> DnsException -> ShowS

show :: DnsException -> String

showList :: [DnsException] -> ShowS

Exception DnsException

Methods

toException :: DnsException -> SomeException

fromException :: SomeException -> Maybe DnsException

displayException :: DnsException -> String

getHostByName :: HasNetworkStack ns => ns -> HostName -> IO (Maybe HostEntry)

sendRequest :: HasNetworkStack ns => ns -> Source -> IO (Maybe HostEntry)

queryServers4 :: UdpSocket IP4 -> ByteString -> [IP4] -> IO (Maybe DNSPacket)

data Source

Constructors

FromHost HostName

FromAddr4 IP4

Instances

Show Source

Methods

showsPrec :: Int -> Source -> ShowS

show :: Source -> String

showList :: [Source] -> ShowS

sourceHost :: Source -> Name

toLabels :: HostName -> Name

sourceQType :: Source -> [QType]

mkPacket :: Source -> Word16 -> DNSPacket